Delphi and C++ Builder library for creating and processing PDF documents.

uses PDFsharp library
supports Windows 32 and Windows 64
available for Delphi/C++ Builder 7 - 10.4
royalty free distribution in applications

Delphi library for interoperability with Java using Java Native Interface (JNI) and .class files.

Uses standard Java Native Interface
Available for Delphi 5 - 11 and Lazarus 2.0.12
Supports Windows 32, Windows 64, macOS and Linux
Source code included in registered version
Royalty free distribution with applications

Delphi and C++ Builder FireMonkey serial communication component for Windows.

Features

Communication with devices connected to serial port
Easy of use and very powerful
Uses multithreading and overlapping for maximum performance
Supports Delphi/C++ Builder XE2 - 11 FireMonkey applications
Supports Windows 32/64-bit
Source code included in registered version
Royalty free distribution in applications

ZylTimer.NET is a high resolution .NET timer class / component which provides a higher precision than the standard .NET Timer component.
.NET Timer component which ships with the .NET framework uses the Windows Message Queue to generate the Tick event. Due to this approach it's impossible to get accurate timer intervals smaller than 15 milliseconds.

jаvascript engine for Delphi and C++ Builder.

uses Microsoft ChakraCore jаvascript engine
supports Windows 32 and Windows 64
available for Delphi/C++ Builder 6 - 11 and Lazarus 2.0.12
source code included in registered version
distributing library in applications is royalty free

Delphi and C++ Builder library for communicating with HID USB devices.

Uses HIDAPI library
Supports Windows 32/64, macOS and Linux
Available for Delphi/C++ XE2 - 11
Source code included in registered version
Royalty free distribution in applications

Delphi and C++ Builder component for accessing Windows I/O and memory-mapped ports.
access to I/O and memory-mapped ports on 32 and 64-bit Windows
PnP device drivers built using Microsoft KMDF WDK framework
easy of use, component is fully autoconfigurable
block data transfer enables high speed data transfer
DirectAccess mode provides the fastest access to I/O ports (32-bit Windows only)
available for Delphi/C++ Builder 5 - 11 and Lazarus 2.0.12
source code included in full version
royalty free distribution of component and device driver with applications

With TMS FNC WX Pack, you can leverage existing web libraries in VCL Windows applications, FMX cross-platform applications for Windows, macOS, iOS, Android & Linux, or TMS WEB Core Web applications for any device running a modern browser. The integration is seamless and in almost all cases the functionality is offline usable as components from your Delphi or C++Builder applications. No extra files need to be deployed along with your applications, the components are designed in such a way they look, feel, behave just like other framework components.

Delphi and C++ Builder optical character recognition component.

Uses Windows OCR engine and WinRT API
Requires Windows 10
Supports Delphi/C++ Builder 7 - 11
Source code included in registered version
Royalty free distribution in applications

Delphi and C++ Builder optical barcode recognition component.

uses ZBar bar code reader library
supports EAN-13/UPC-A, EAN-8, UPC-E, Code 39, Code 93, Code 128, Codabar, PDF417, GS1 DataBar, GS1 DataBar Expanded, Interleaved 2 of 5, SQ Code and QR Code barcodes
supports Windows 32 and Windows 64
available for Delphi/C++ Builder 5 - 11 and Lazarus 2.0.12
source code included in registered version
royalty free distribution in applications